中小企业配置UPFC对距离继电器脱扣特性的影响

2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI:10.1109/ICPST.2008.4745270

S. Jamali, A. Kazemi, H. Shateri

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引用次数: 5

摘要

本文介绍了在统一潮流控制器(UPFC)存在的情况下继电点的阻抗测量，UPFC是柔性交流输电系统(FACTS)的一种设备，它配备了超导磁储能(SMES)系统。在传输线上安装UPFC的中小企业的存在极大地影响了继电点的测量阻抗。被测阻抗本身取决于电力系统的结构条件、故障前负荷，特别是接地故障电阻。在配备了中小企业UPFC的情况下，UPFC的结构参数、控制参数以及安装位置都会影响被测阻抗。这里给出了由于上述影响参数而产生的继电点的测量阻抗。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effects of SMES Equipped UPFC on Distance Relay Tripping Characteristic

This paper presents the measured impedance at the relaying point in the presence of unified power flow controller (UPFC), one of flexible alternating current transmission system (FACTS) devices, which is equipped with a superconductor magnetic energy storage (SMES) system. The presence of SMES equipped UPFC on a transmission line greatly influences the measured impedance at the relaying point. The measured impedance itself depends on the power system structural conditions, pre-fault loading, and especially the ground fault resistance. In the presence of SMES equipped UPFC, its structural and controlling parameters as well as its installation location affects the measured impedance. Here, the measured impedance at the relaying point is presented due to the mentioned affecting parameters.

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2008 Joint International Conference on Power System Technology and IEEE Power India Conference

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